.travis.yml in fluent-plugin-ec2-metadata-0.1.2 vs .travis.yml in fluent-plugin-ec2-metadata-0.1.3

@@ -1,8 +1,10 @@
 rvm:
   - 2.1.*
   - 2.2.*
-  - 2.3.0
+  - 2.3.*
+  - 2.4.*
+  - 2.5.*
 gemfile:
   - Gemfile
 before_install: gem update bundler
 after_script: codeclimate-test-reporter